The flocculant produced by AY11 has an excellent effect in purifying and decoloring various kind of wastewater, such as urban living sewage, daily chemical plant wastewater and dye wastewater, etc.
AY 11所产絮凝剂对城市生活污水、日用化工厂废水、染料废水等多种废水均有很好的净化、脱色效果。
The technology of molecular-distillation(MD) for purifying star anise essential oil was researched, and chemical constitutions of essential oil and distilled substance were analyzed by GC-MS.
研究分子蒸馏技术纯化八角精油的工艺条件，利用GC-MS对精油及分离纯化的馏分进行化学组成分析。
Physical, chemical and biological control methods in the purifying water process and the secondary water supply system in Chinese water supply industry are discussed.
重点介绍了目前国内供水行业所采用物理、化学以及生物的方法在水厂净水处理及二次供水过程防除摇蚊污染的研究；
Be used for factories, mines and enterprises such as heat-engine plant, chemical plant, be regenerated the equipment purifying the special use resisting to burn oil.
用途用于火电厂、化工厂等工矿企业，再生净化抗燃油的专用设备。
The paper introduces the application of nano-materials in catalytic field , coating, high molecular materials, handling of chemical wastes, purifying of air, biochemical medicine and cosmetic.
介绍了纳米材料在化工催化、涂料、高分子材料、化工污水处理、抗菌、空气净化、生物化工、医药及化妆品方面的应用。
The packed tower process not only used for chemical industry, it is also widely used for purifying low concentration industrial waste gases.
填料塔洗涤吸收净化工艺不单应用在化工领域，在低浓度工业废气净化方面也能很好地发挥作用。
The invention relates to a technology for purifying DL-p-hydroxyphenylglycine, which belongs to the field of the production of pharmaceutical and chemical intermediates.
本发明DL-对羟基苯甘氨酸纯化技术属医药化工中间体生产领域。
Chengdu Preferred Biological Technology co., Ltd. is a high-tech enterprise dealt in separating, purifying, selling of chemical reference substance and plant effective constituent compound.
成都普菲德生物科技有限公司，是一家专业从事中药对照品及植物有效成分化合物的分离、提纯生产、销售为一体的高技术企业。
The chemical agent is sprayed into the smoke through a revolving sprayer, thereby being capable of effectively removing the gaseous mercury and achieving the aim of purifying the smoke.
通过旋转喷雾器喷入烟气中，即可有效去除气态汞，达到净化烟气的目的。
The utility model has the advantages that the negative pressure purifying weighing room can prevent ultra-fin powder chemical agents from diffusing and flying when in sampling and weighing.
本实用新型的优点是可以防止取样称重时极细的粉末化学试剂弥漫飞扬。
The technical proposal is applicable to the manufacture of water purifying devices in the fields of beverage, drinking water, medication, chemical engineering, and the like.
本发明技术方案适用于饮料、生活饮用水、医药、化工等领域的水体净化设备的制作。
The invention discloses a method for continuously rectifying and purifying the lactide with high yield rate, which belongs to the field of chemical and industrial rectification and purification.
本发明公开了一种高收率连续化精馏提纯丙交酯的方法，属于化工精馏提纯领域。
Sichuan Weikeqi Biological Technology Co. , Ltd. is a high-tech enterprise dealt in separating, purifying, selling of chemical reference substance and plant effective constituent compound.
单位简介及产品服务：四川省维克奇生物科技有限公司，是一家专业从事中药对照品及植物有效成分化合物的分离、提纯生产、销售为一体的高技术企业。
Sichuan Weikeqi Biological Technology Co. , Ltd. is a high-tech enterprise dealt in separating, purifying, selling of chemical reference substance and plant effective constituent compound.
单位简介及产品服务：四川省维克奇生物科技有限公司，是一家专业从事中药对照品及植物有效成分化合物的分离、提纯生产、销售为一体的高技术企业。
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